求一正则表达式子

<tr> 
<td class=tdn>2</td>
<td class=d><a href="http://202.108.23.172/m?ct=134217728&tn=baidusg,喜欢你  &word=mp3,http://yeah.210.71china.com/upload/file/200802/YmRjaGZscG1iZmhqa25pbjE$.mp3,,[%CF%B2%BB%B6%C4%E3]&si=%CF%B2%BB%B6%C4%E3;;%B9%F9%D2%D7;;272203;;234217&lm=16777216" title="请点击左键！来源网址：  http://yeah.210.71china.com   请参照百度权利声明使用" onclick="return ow(event,this)"  target="_blank"><font style=color:#e10900>喜欢你</font>  </a></td>
<td><a href="http://mp3.baidu.com/singerlist/%B9%F9%D2%D7.html" target="_blank">郭易</a>&nbsp;<a href="http://mp3.baidu.com/singerlist/.html" target="_blank"></a>&nbsp;<a href="http://mp3.baidu.com/singerlist/.html" target="_blank"></a>&nbsp;</td>
<td class=al><a href="http://mp3.baidu.com/albumlist/%B9%F9%D2%D7;;;;;;%D2%B9%A1%A4%C9%AB.html" target="_blank">夜·色</a>&nbsp;</td>
<td><a href="http://box.zhangmen.baidu.com/m?gate=1&ct=134217728&tn=baidumt,喜欢你  &word=mp3,http://yeah.210.71china.com/upload/file/200802/YmRjaGZscG1iZmhqa25pbjE$.mp3,,[%CF%B2%BB%B6%C4%E3]&si=%CF%B2%BB%B6%C4%E3;;%B9%F9%D2%D7;;272203;;234217&lm=16777216" onclick="return ot(event,this,'272203')">试听</a>&nbsp;</td>
<td><a href="http://mp3.baidu.com/m?tn=baidump3lyric&word=%B9%F9%D2%D7+%CF%B2%BB%B6%C4%E3&ct=150994944&lm=-1&lf=3" target="_blank">歌词</a>&nbsp;</td>
<td> &nbsp;</td>
<td>3.4 M</td>
<td>mp3</td>
<td class=spd><img src="http://img.baidu.com/img/mp3/d9.gif"></td>
</tr><tr>  
我想用正则表达式匹配得到
<td><a href="http://mp3.baidu.com/m?tn=baidump3lyric&word=%B9%F9%D2%D7+%CF%B2%BB%B6%C4%E3&ct=150994944&lm=-1&lf=3" target="_blank">歌词</a>&nbsp;</td>
中<a>标签里的url请高手解决一下 只得到http://mp3.baidu.com/m?tn=baidump3lyric&word=%B9%F9%D2%D7+%CF%B2%BB%B6%C4%E3&ct=150994944&lm=-1&lf=3和这个规律一样的url.